//
//  TestModel.m
//  RuntimeDemo
//
//  Created by LMM on 7/20/15.
//  Copyright (c) 2015 LMM. All rights reserved.
//

#import "TestModel.h"
@implementation TestModel
- (id)forwardingTargetForSelector:(SEL)aSelector
{
    // 如果这个类的实例对象调用了不属于此类的方法，
    // 这里将被唤醒
    if (aSelector == @selector(uppercaseString)) {
        return @"there are no this method";
    }
    return nil;
}
@end
